Wheel adapter plate



Oct. 9, 1951 E. M. JUERGENSON 2,570,559

WHEEL ADAPTER PLATE T Filed Dec. 29, 1945 INVENTOR. 1 .E'MJaergensor-z Patented Oct. 9, 1951 I 2,570,559,;- I I I WHEEL ADAPT'E'IQ P AIE- v Elwood M. Jnergenson Lindengfialif: Application December 29, 1945; Serial No; 6372911 1 Claim. 1;.

This invention relates in general, to the mount-.1 ing of tirewheelson vehicles.

In particular the invention is directed to, and it is an object to provide, a novel wheel adapter plate designed sothat a tire wheel having; a given bolt= hole-circle-can beeffectively mounted on a vehicle hub wherein-thawheel securing studs are oma circle-having adifferent diameter.

' Atfurther object ofhthis invention is to provide alt-Wheel. adapter. plate as in the preceding paragraph, which is..usef.ul. .to. -.mount the spare tire wheel of an automobile on a; hub of a trailer, wherein said hub has wheel securing studs on a circledifferent than the bolthole circle of said spare tire-wheel: In this manner the sparetire wheel of the automobile is usable both thereon and on the trailer, and it is not necessary to carry a separate spare tire wheel for the trailer.

An additional object of the invention is to provide a wheel adapter plate which comprises a heavy-duty circular plate having a circumferential row of bolt holes on a circle of one radius, and a row of axially projecting studs on a circle of another radius; said studs including means to space a wheel mounted thereon from the studs, of a hub, which extend through the circle of bolt holes in the plate.

A further object of the invention is to produce a simple and inexpensive device, and yet one which will be exceedingly effective for the purpose for which it is designed.

These objects are accomplished by means of such structure and relative arrangement of parts as will fully appear by a perusal of the following specification and claim.

In the drawings similar characters of reference indicate corresponding parts in the several views:

Figure 1 is a side elevation of an automobiletrailer combination illustrating wheel's thereon having different bolt hole circles; a situation wherein my invention is useful.

Figure 2 is a face view of the wheel adapter plate.

Figure 3 is a plan view of said plate as disclosed vertically for use.

Figure 4 is a sectional elevation of the device in use.

' Referring now more particularly to the characters of reference on the drawings, the invention is primarily adapted for use to effectively mount, in a practical manner, the spare tire wheel I of an automobile 2 on the attachment flange 3 of a hub l on a trailer 5, when the studs 8 of said attachment flange 3 are on a circle different than the circle of the studs 1 employed to secure the a hereinit s.-desired to -mount wheelwhaving,

. c rcum er nt al; ow f 1. equal pa t. l s

H i a i esu h h aidhol s l re rated oreeister with the sweeten tt chm ntan e 3*included in a hub' of "a trailer or the like.

A circumferential row of evenly spaced studs I2 is mounted on the plate 9 with the studs projecting axially therefrom; the circle of the studs I2 being different than the circle of the bolt holes II; i. e. the circle of the studs I2 corresponds to the circle of the bolt holes in the attachment flange I3 of the spare tire wheel I. The studs are elongated and are enlarged, at their inner end portion, to provide outwardly facing stop shoulders I4 on each thereof ome distance outwardly of the adjacent face of the plate 9, for the purpose hereinafter described.

To use the above described wheel adapter plate for mounting of the spare tire wheel I of an automobile 2 in connection with a trailer 5 wherein there is a differential between the circle of the studs on the attachment flange 3 and the circle of the bolt holes in the attachment flange l3 of the wheel I, the invention is applied as follows:

The circular adapter plate 9 is first mounted on the attachment flange 3 of the hub 4 by projecting the studs 6 through the circumferential row of bolt holes II; retaining nuts I5 being threaded on said studs for this purpose.

Thereafter the attachment flange I3 of the spare tire wheel I of the automobile is mounted on the row of projecting studs I2, with said flange abutting against the stop shoulders I4. Retaining nuts I6 are threaded on the studs I2 to secure the attachment flange I3 to the adapter plate 9. In this manner the spare tire wheel I can be mounted on the hub 4 of the trailer 5, and it is not necessary to carry a special spare tire wheel for said trailer.

The projection of the stop shoulders I4 on the studs I2 prevents any engagement, when the parts are assembled, of the attachment flange I3 with the adjacent ends of the studs 6, maintainthe plate in the same circle but with the number and spacing of the holes corresponding to the studs on the attachment flange of the trailer wheel hub, and the number and spacing of the studs corresponding to the holes of the automobile wheel.

From the foregoing description it will be read ily seen that there has been provided such a device as substantially fulfills the object of the invention as set forth herein.

While this specification sets forth in detail the present and preferred construction of the device, still in practice such deviations therefrom may be resorted to as do not form a departure from the spirit of the invention, as defined by the appended claim.

Having thus described the invention, the following is claimed as new and useful and upon which Letters Patent are desired:

A wheel adapter comprising a relatively thin fiat plate having a central opening to fit over a wheel hub provided with a plurality of circumferentially spaced bolt holes disposed as to permit the plate to be placed over a plurality of circumferentially spaced wheel supporting bolts on the hub flange, a plurality of circumferentially spaced studs permanently fixed to and carried by the plate and projecting from the face thereof concentrically with respect to the circle of the bolt holes, the circle of the holes and that of the studs being of different radii, each projecting stud being formed with a shoulder and its threaded portion projecting beyond said shoulder, the length of the studs between the face of the plate and the shoulder being greater than that portion of the length of the wheel mounting bolts which will project beyond the face of the plate when the latter is mounted upon said bolts.

ELWOOD M. JUERGENSON.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,364,327 Slaymaker Jan. 4, 1921 1,365,896 Duffy Jan. 18, 1921 1,768,947 Barber July 1, 1930 1,856,866 Feigelson May 3, 1932 1,904,081 Pratt Apr. 18, 1933 2,067,620 Johnston Jan. 12, 1937 2,195,590 Eksergian Apr. 2, 1940 FOREIGN PATENTS Number Country Date 387,117 Great Britain Feb. 2, 1933 

